| Reference | {Deposit:: KERR, M.B., 1900 , REGISTER OF MINES AND MINERALS, COUNTY OF CALAVERAS, CALIF. MIN. BUR.}{Deposit:: CLARK, W.B., LYDON, P.A., 1962 , MINES AND MINERAL RESOURCES OF CALAVERAS COUNTY, CALIF.: COUNTY REPORT 2 ; CALIF. DIV. OF MINES AND GEOLOGY, P. 135} |